diff --git plugins/views_plugin_cache.inc plugins/views_plugin_cache.inc
index 0c65483..450b937 100644
--- plugins/views_plugin_cache.inc
+++ plugins/views_plugin_cache.inc
@@ -266,6 +266,7 @@ class views_plugin_cache extends views_plugin {
         'result' => $this->view->result,
         'roles' => array_keys($user->roles),
         'super-user' => $user->uid == 1, // special caching for super user.
+        'theme' => $GLOBALS['theme'],
       );
 
       $this->_output_key = $this->view->name . ':' . $this->display->id . ':output:' . md5(serialize($key_data));